Anyone with an iPhone, iPad, or Mac computer can mirror or stream content from
their device onto the Apple TV.
If you are using an iPhone X or newer model, you will need to swipe down from the
top right of their phone screen, if they’re using an older model they’ll need to swipe
up from the bottom of their screen. Once they do, they’ll see an option to for
‘Screen Mirroring’ or Airplay (possibly just the Airplay icon).
Once you press the Screen Mirroring or Airplay option on their device a 4-
digit code will appear on the Apple TV that you will need to put into their device,
once you've done this you will be connected and be able to mirror or stream from